There is a problem w/ your write-up. Check that you have valied entries for \$CAID and \$Campn in your analysis.php file. If that checks out, then Contact Stansberry"; return ; } // get first matching task $row = mysql_fetch_array($result); $title = $row["title"]; $princ = $row["principal"]; $deputy= $row["deputy"]; $campn0 = $row["campn0"]; $aorkeys = $row["aorkeys"]; // get real name of principal, deputies $princ = ioc_get_person($princ); $princ = $princ[0]; $deps = explode(",",$deputy); foreach ($deps as $depty) { $depty = trim($depty); $depty = ioc_get_person($depty); $depty = $depty[0]; $depty = explode(",",$depty); $depty = $depty[0]; // last names only $deplist[] = $depty; } $deplist = implode(", ", $deplist); $caid = sprintf("%03d",$caid); $file = "mips-".$caid.$campn.".analysis.php"; // if more matches, append the AORKEYS from those $numrows = mysql_num_rows($result); if ($numrows > 1) { $aorkeys = " " . $numrows . " Task Executions:  ". $aorkeys; for ($i=0;$i < mysql_num_rows($result); $i++) { $row = mysql_fetch_array($result); $morekeys = $row["aorkeys"]; $aorkeys = $aorkeys .';  '.$morekeys; } } // END PHP. ?> <? echo "MIPS-$caid, Campaign $campn IOC/SV Analysis"; ?>

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Task Outcome Summary


Abstract

In this task, a photometry AOR of a 24 µm bright star will be interleaved with 24 and 160 µm darks. This set of observations will be repeated at a variety of Si:As array temperatures from 5.0 to 5.5 K. The purpose is to determine at what temperature the glow from the Si:As array becomes apparent at 160 µm. From the 24 µm perspective, we would like to operate at as high a temperature as possible. Unfortunately, the data were taken with the wrong 24um exposure time for the selected star. Thus, we were unable to detect any latents at all on the 24um array. The 160um darks were indistinguishable at the Si:As array temperatures of 5.0, 5.15, and 5.26 K.

Analysis

The part of this test dealing with 24um latents is not feasible with the current data set due to low S/N images. However, it is possible to examine the 160um dark data at the various 24um temperature settings. Data were taken at T(Si) = 5.5, 5.15, and 5.0 K. At the 5.5 K setting, the actual temperature of the array was 5.26 K. The 160um darks were reduced using DATv2-41 and calibration/parameter files from Campaign K. The data were then mosaicked using enhancer, and image mean values were derived using the program "FV".

Results

The 160um darks were indistinguishable at the three 24um array temperatures. The mean array values were the same within the errors. No 24um latents were discernable at any of the three temperature settings (probably due to low S/N from wrong exposure time).

Conclusions

At the 160um bias settings chosen for Campaign I, glow from the 24um array was not detectable at temperatures of 5.02, 5.15, and 5.26 K. For the non-optimal star exposures obtained in this task, no latents were seen. Thus, no optimization of temperatures is possible based on these data.

Output and Deliverable Products

None

Actions Following Analysis

Low 24um temperatures are necessary due to the low temperature of the helium bath. The only action necessary is to design a new experiment to characterize the latents at 5.15 K.